How a car works

All partsBMW M4 CSLFuel system › Filler neck

Filler neck

Part of Fuel system · about $210 to replace

What it is

Filler pipe from the flap to the tank.

What it does

Guides fuel into the tank and vents vapour to the charcoal canister.

How it fails

Capless seal sticks; a fuel smell after filling is the vent valve.

MaterialStainless steel, rubber joint
Spec45 mm
capless
Filler neck highlighted on the car

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